1.

The internal energy change when a system goes from state A to B is 40 kJ/mol. I the system goes from A to B by a reversible path and return to state A by a irreversible path, what would be the net change in internal energy?

Answer»

40 KJ
`gt 40kJ`
`lt 40kJ`
zero

Solution :In a CYCLIC PROCESS, `DeltaE=0`.


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